let SignIn_$breadcrumbs = $("div[class='page']").find("div[class='breadcrumbs']");
let SignIn_$div = $("div[class='content']");
let SignIn_$form = SignIn_$div.find("form");
let SignIn_$username = SignIn_$form.find("input[name='username']");
let SignIn_$password = SignIn_$form.find("input[name='password']");
let SignIn_$password_again = SignIn_$form.find("input[name='password_again']");
let SignIn_$email = SignIn_$form.find("input[name='email']");
let SignIn_$portrait = SignIn_$form.find("input[name='portrait']");
let SignIn_$SignIn = $("#SignIn");
let SignIn_isUserExit=false;
let SignIn_passwordDifference=false;
let reg = /^[0-9a-zA-Z_.-]+[@][0-9a-zA-Z_.-]+([.][a-zA-Z]+){1,2}$/;
let SignIn_pictLength=true;